Analysis
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max time kernel
142s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
21-01-2025 01:07
Behavioral task
behavioral1
Sample
JaffaCakes118_01109997ca7f83271c4345a1bacf97b1.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_01109997ca7f83271c4345a1bacf97b1.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_01109997ca7f83271c4345a1bacf97b1.exe
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Size
111KB
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MD5
01109997ca7f83271c4345a1bacf97b1
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SHA1
633bd27cd3c5a1899d9b8f191e1d27239010644d
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SHA256
8e39b19a4265c76578799e187b7192bfa9a0cbc11d10ddc0e530780b64feba42
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SHA512
c3cba7ca63f0bfa070587c814fea48ba16c7196ed0df3b2ff512448ea94149b4886f60d8974c32566273e042aa934b812ae82d7503d7ce2406344e1be461dc21
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SSDEEP
3072:0oy8j7VnNdrPHaSekwi+mWvqkrT5outn:k8jZ7rvaU3+mWvvT5oSn
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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Modiloader family
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UAC bypass 3 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
ModiLoader Second Stage 18 IoCs
resource yara_rule behavioral1/memory/2772-2-0x0000000000400000-0x0000000000452000-memory.dmp modiloader_stage2 behavioral1/memory/2772-6-0x00000000029A0000-0x00000000029B0000-memory.dmp modiloader_stage2 behavioral1/memory/2772-15-0x0000000000400000-0x0000000000452000-memory.dmp modiloader_stage2 behavioral1/memory/2088-25-0x0000000000400000-0x0000000000452000-memory.dmp modiloader_stage2 behavioral1/memory/2088-26-0x0000000074E70000-0x0000000074F60000-memory.dmp modiloader_stage2 behavioral1/memory/2088-27-0x0000000000400000-0x0000000000452000-memory.dmp modiloader_stage2 behavioral1/memory/2088-31-0x0000000000400000-0x0000000000452000-memory.dmp modiloader_stage2 behavioral1/memory/2088-34-0x0000000000400000-0x0000000000452000-memory.dmp modiloader_stage2 behavioral1/memory/2088-37-0x0000000000400000-0x0000000000452000-memory.dmp modiloader_stage2 behavioral1/memory/2088-41-0x0000000000400000-0x0000000000452000-memory.dmp modiloader_stage2 behavioral1/memory/2088-44-0x0000000000400000-0x0000000000452000-memory.dmp modiloader_stage2 behavioral1/memory/2088-47-0x0000000000400000-0x0000000000452000-memory.dmp modiloader_stage2 behavioral1/memory/2088-50-0x0000000000400000-0x0000000000452000-memory.dmp modiloader_stage2 behavioral1/memory/2088-53-0x0000000000400000-0x0000000000452000-memory.dmp modiloader_stage2 behavioral1/memory/2088-56-0x0000000000400000-0x0000000000452000-memory.dmp modiloader_stage2 behavioral1/memory/2088-59-0x0000000000400000-0x0000000000452000-memory.dmp modiloader_stage2 behavioral1/memory/2088-62-0x0000000000400000-0x0000000000452000-memory.dmp modiloader_stage2 behavioral1/memory/2088-65-0x0000000000400000-0x0000000000452000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 2088 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 2088 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe -
Checks whether UAC is enabled 1 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA JaffaCakes118_01109997ca7f83271c4345a1bacf97b1.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mstwain32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
resource yara_rule behavioral1/memory/2772-0-0x0000000000400000-0x0000000000452000-memory.dmp upx behavioral1/memory/2772-2-0x0000000000400000-0x0000000000452000-memory.dmp upx behavioral1/files/0x00060000000055d7-8.dat upx behavioral1/memory/2772-11-0x0000000002C30000-0x0000000002C82000-memory.dmp upx behavioral1/memory/2772-15-0x0000000000400000-0x0000000000452000-memory.dmp upx behavioral1/memory/2088-24-0x0000000074E70000-0x0000000074F60000-memory.dmp upx behavioral1/memory/2088-25-0x0000000000400000-0x0000000000452000-memory.dmp upx behavioral1/memory/2088-26-0x0000000074E70000-0x0000000074F60000-memory.dmp upx behavioral1/memory/2088-27-0x0000000000400000-0x0000000000452000-memory.dmp upx behavioral1/memory/2088-31-0x0000000000400000-0x0000000000452000-memory.dmp upx behavioral1/memory/2088-34-0x0000000000400000-0x0000000000452000-memory.dmp upx behavioral1/memory/2088-37-0x0000000000400000-0x0000000000452000-memory.dmp upx behavioral1/memory/2088-41-0x0000000000400000-0x0000000000452000-memory.dmp upx behavioral1/memory/2088-44-0x0000000000400000-0x0000000000452000-memory.dmp upx behavioral1/memory/2088-47-0x0000000000400000-0x0000000000452000-memory.dmp upx behavioral1/memory/2088-50-0x0000000000400000-0x0000000000452000-memory.dmp upx behavioral1/memory/2088-53-0x0000000000400000-0x0000000000452000-memory.dmp upx behavioral1/memory/2088-56-0x0000000000400000-0x0000000000452000-memory.dmp upx behavioral1/memory/2088-59-0x0000000000400000-0x0000000000452000-memory.dmp upx behavioral1/memory/2088-62-0x0000000000400000-0x0000000000452000-memory.dmp upx behavioral1/memory/2088-65-0x0000000000400000-0x0000000000452000-memory.dmp upx -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\cmsetac.dll mstwain32.exe File created C:\Windows\mstwain32.exe JaffaCakes118_01109997ca7f83271c4345a1bacf97b1.exe File opened for modification C:\Windows\mstwain32.exe JaffaCakes118_01109997ca7f83271c4345a1bacf97b1.exe File created C:\Windows\ntdtcstp.dll mstwain32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_01109997ca7f83271c4345a1bacf97b1.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2772 JaffaCakes118_01109997ca7f83271c4345a1bacf97b1.exe Token: SeBackupPrivilege 2864 vssvc.exe Token: SeRestorePrivilege 2864 vssvc.exe Token: SeAuditPrivilege 2864 vssvc.exe Token: SeDebugPrivilege 2088 mstwain32.exe Token: SeDebugPrivilege 2088 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2088 mstwain32.exe 2088 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2772 wrote to memory of 2088 2772 JaffaCakes118_01109997ca7f83271c4345a1bacf97b1.exe 33 PID 2772 wrote to memory of 2088 2772 JaffaCakes118_01109997ca7f83271c4345a1bacf97b1.exe 33 PID 2772 wrote to memory of 2088 2772 JaffaCakes118_01109997ca7f83271c4345a1bacf97b1.exe 33 PID 2772 wrote to memory of 2088 2772 JaffaCakes118_01109997ca7f83271c4345a1bacf97b1.exe 33 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_01109997ca7f83271c4345a1bacf97b1.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_01109997ca7f83271c4345a1bacf97b1.exe"1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2772 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_01109997ca7f83271c4345a1bacf97b1.exe"2⤵
- UAC bypass
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2088
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2864
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
111KB
MD501109997ca7f83271c4345a1bacf97b1
SHA1633bd27cd3c5a1899d9b8f191e1d27239010644d
SHA2568e39b19a4265c76578799e187b7192bfa9a0cbc11d10ddc0e530780b64feba42
SHA512c3cba7ca63f0bfa070587c814fea48ba16c7196ed0df3b2ff512448ea94149b4886f60d8974c32566273e042aa934b812ae82d7503d7ce2406344e1be461dc21